I am against this proposal.
Right-clicking on the library tab is an easy way to have access to further library specific configuration options and also it is very convenient to see the name of the library if the tab exists.

Right-clicking on the library tab is an easy way to have access to further library specific configuration options and also it is very convenient to see the name of the library if the tab exists.

Yes there might be some advantages of this visualization. However, (1) the name of the library is also in the Window title, (2) the context menu items could also be accessed via the main menu > Library.
On the pro side, additional vertical space would increase the general table overview.
In any case, this suggestion could be accompanied by a checkbox in the settings such that nobodys workflow gets broken.

hmmm. I mean ... having more vertical space would indeed really be nice for devices with low screen space like laptops or notebooks ...

But not all configuration options are accessible via menu > library.
While the library can be closed via menu > file > close

Following important feature will be lost: "Reveal in file explorer"

So as precondition to implement this feature, i would suggest to:

• add "Reveal in file explorer" to menu > library

Then I would agree with your proposal, unless there is severe performance loss.

Devcall discussion

Pro:

• More space for the maintable
• Reduce duplication with the library title in the tab and the title bar

Contra:

• Right-click-menu with quicklinks to librarypreferences / console / reveal in file explorer would be lost

Decision:

Add preferences option to hide the bar if only one tab is open and make it default on
Solution strategy probably to change visibility option? See https://stackoverflow.com/questions/33457546/how-to-hide-the-tabbar-in-tabpane

/assign-me

What is the reference class for this? I am unable to find it.

LibraryTab probably

I mean the component which contains the names of the libraries.

StateManager:

Please assign this issue to me.

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For knowing the number of open libraries, should I create a function in the state manager? I can't find it in any other class or the state manager.
I can also use:
int openDatabases = stateManager.getOpenDatabases().size();
it returns an observable list of open databases.

Neither of the approaches works because they do not update the value of openDatabases in real time, so I am using a ListChangeListener.

I think you can try to use Bindings.size(stateManager.getOpenDatabases()) as well for this https://docs.oracle.com/javase/8/javafx/api/javafx/beans/binding/Bindings.html#size-javafx.collections.ObservableList-

Using Bindings.size(stateManager.getOpenDatabases()) is also not working fine.
Example video link for ListChangeListener,
https://drive.google.com/file/d/1Qg4dbx3hqh2hrzbcmbs-OculUrgtBdCf/view?usp=sharing

Could you please suggest what else I can do?